Analysis

  • max time kernel
    117s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15-05-2024 02:03

General

  • Target

    f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe

  • Size

    588KB

  • MD5

    7f9adfa5c6ddb5471f7b391d037252b2

  • SHA1

    122645622b73002a2d8b8215d6573ab22523a0e2

  • SHA256

    f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4

  • SHA512

    5f8b6565006dd61e11da209aa1103ca4987bd397a19da5b38a782f61d7bae13c244a4ba2de78982803b764bdd45a831de382da61bbbf3c3ade4d307675a21ad8

  • SSDEEP

    12288:2rRgAXYMjhvPie/rByY7777777777777c99E4NQ2CMiH99dsgJJ8Z0WQoiQFzpgi:2dgAXYMFniyyXzEMCMid9prPwDajgSxF

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables with potential process hoocking 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe
    "C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EDqfTdWmvf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EDqfTdWmvf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2961.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2712
    • C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe
      "C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe"
      2⤵
        PID:2520
      • C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe
        "C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe"
        2⤵
          PID:2532
        • C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe
          "C:\Users\Admin\AppData\Local\Temp\f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:2628

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp2961.tmp

        Filesize

        1KB

        MD5

        d0d01c2860a1e16c2e51e61c001202e0

        SHA1

        bb5673ab505bee8d2324cee249199f7e2166c943

        SHA256

        9e8219e2363947d39f8ca13660c7e892020427cb5743d21c912b7bd116bc2245

        SHA512

        e463a421298554e9e2102ca67b90e02d1c5546c0ac4ae4433230e55c1fc3e217e98ed060169c474f610120b2e17e101fe51b85a74d07809eb140ec83c0d43671

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZGRUW12CAC5SXTB9U8F5.temp

        Filesize

        7KB

        MD5

        5f09defbb8cb59cda309c0e04a62e8b0

        SHA1

        0ba61390d5a2850548c3825911b021a29d90a9a0

        SHA256

        cf7f78363dc7dd15ca55723c374aa31a0bf3547d1b0685427190808c66ffd705

        SHA512

        0f0e55e5f6ca2ac5559c36cbb4cba9a215db938db2f9d30595486d94382cab20744fd4af56159646bdc8384a30db4df1fb107ef9291d471c68e16f05935d2cca

      • memory/2268-4-0x00000000006A0000-0x00000000006B0000-memory.dmp

        Filesize

        64KB

      • memory/2268-32-0x0000000073FD0000-0x00000000746BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2268-0-0x0000000073FDE000-0x0000000073FDF000-memory.dmp

        Filesize

        4KB

      • memory/2268-5-0x0000000000730000-0x0000000000746000-memory.dmp

        Filesize

        88KB

      • memory/2268-6-0x00000000052E0000-0x0000000005348000-memory.dmp

        Filesize

        416KB

      • memory/2268-2-0x0000000073FD0000-0x00000000746BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2268-1-0x0000000000020000-0x00000000000BA000-memory.dmp

        Filesize

        616KB

      • memory/2268-3-0x0000000000670000-0x0000000000690000-memory.dmp

        Filesize

        128KB

      • memory/2628-23-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2628-31-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2628-29-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2628-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2628-28-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2628-19-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2628-25-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2628-21-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB